<template>
  <div style="padding: 10px;">
    <el-upload
      :on-preview="handlePreview"
      :on-remove="handleRemove"
      :before-remove="beforeRemove"
      :limit="3"
      :on-exceed="handleExceed"
      :file-list="fileList"
      class="upload-demo"
      action="https://jsonplaceholder.typicode.com/posts/"
      multiple>
      <el-button size="small" type="primary">点击上传</el-button>
      <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
    </el-upload>
  </div>
</template>

<script>
import DwDesignQuestionCommon from '../../DwDesignQuestionCommon'
export default {
  name: 'DwDesignQuUpload',
  components: {DwDesignQuestionCommon},
  model: {
    prop: 'survey',
    event: 'update-survey'
  },
  props: {
    index: {type: Number, default: 0},
    survey: {type: Object, default: () => {}}
  },
  data () {
    return {
      fileList: []
    }
  },
  methods: {
    handleRemove (file, fileList) {
      console.log(file, fileList)
    },
    handlePreview (file) {
      console.log(file)
    },
    handleExceed (files, fileList) {
      this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`)
    },
    beforeRemove (file, fileList) {
      return this.$confirm(`确定移除 ${file.name}？`)
    }
  }
}
</script>
